public function run()
{
$rawData = array_map('str_getcsv', file(__DIR__ . '/../data/authors.csv'));
$headers = array_shift($rawData);
$items = array_map(function ($row) use($headers) {
return array_combine($headers, $row);
}, $rawData);
if (!array_walk($items, function ($item) {
Author::updateOrCreate(['id' => $item['id']], $item);
})) {
throw new Exception('There was an issue importing authors.');
}
}